/*
 * Copyright (c) 2016 Uber Technologies, Inc. (hoodie-dev-group@uber.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.uber.hoodie.cli;

import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.shell.plugin.support.DefaultPromptProvider;
import org.springframework.stereotype.Component;

@Component
@Order(Ordered.HIGHEST_PRECEDENCE)
public class HoodiePrompt extends DefaultPromptProvider {

  @Override
  public String getPrompt() {
    if (HoodieCLI.tableMetadata != null) {
      String tableName = HoodieCLI.tableMetadata.getTableConfig().getTableName();
      switch (HoodieCLI.state) {
        case INIT:
          return "hoodie->";
        case DATASET:
          return "hoodie:" + tableName + "->";
        case SYNC:
          return "hoodie:" + tableName + " <==> " + HoodieCLI.syncTableMetadata.getTableConfig().getTableName() + "->";
        default:
          return "hoodie:" + tableName + "->";
      }
    }
    return "hoodie->";
  }

  @Override
  public String getProviderName() {
    return "Hoodie provider";
  }

}
